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Finding the Third Proportional to 21,192,249 and 45,772,407

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Solution

The third proportional to 21,192,249 and 45,772,407 is: 98,862,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,249 : 45,772,407 = 45,772,407 : x
  2. Step 2: Convert to fraction form
    21,192,249/45,772,407 = 45,772,407/x
  3. Step 3: Cross multiply
    21,192,249x = 45,772,407 × 45,772,407
  4. Step 4: Simplify right side
    21,192,249x = 2,095,113,242,573,649
  5. Step 5: Solve for x
    x = 2,095,113,242,573,649/21,192,249
  6. Step 6: Final answer
    x = 98,862,241.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.